问题补充：
by beautiful green mountains and located at the foot of Lushan Mountain makes it a famous tourist attraction.
A. Surrounded
B. Being surrounded
C. Having been surrounded
D. surrounding
答案：
A. Surrounded
(答案→)B. Being surrounded
C. Having been surrounded
D. surrounding
解析：句意：被美丽的绿色的山包围着位于庐山的山脚下使得它成为一个著名的旅游胜地，根据句子结构可知，该处作主语，surround的用法是 be surrounded by 被……所环绕，因为被动，加上作主语，所以选择B，A无法作主语，C只能作状语 ，D没有被动
